1. Na + H2O + NaOH + H2 Determine the type of equation shown here. * (1 Point) O Synthesis O Single Repalcement O Decomposition O Combustion Double Repalcement
You use the atomic number to find out how many protons and neutrons there are in the atom. you use the atomic mass to find out how many protons and electrons there are in the atom.
Answer from: Quest
Sorry i dont understand the question can you rephase it?
Answer from: Quest
Just took the quiz on edgenuity and the correct answer is "c. 4.54 x 10–12 j"
Before it was launched, a helium-filled balloon had a pressure of 201 kpa at a temperature of 27°c. at an altitude of 15,000 m, the pressure had decreased to 2.5 kpa and the temperature had dropped to -14 °c. the volume of the balloon increased to 59.3 m3. what is the original volume of the balloon? 13 m3 0.85 m3 0.077 m3 1.17 m3